Black grouse / Western capercaillie hybrid goes insane Aftermath of the landslide in Blatten Switzerland Capuchin monkeys have a strong history of using stone tools, this behavior has been observed by humans for at least 700 years. It takes monkeys 3-5 years to become proficient
Capuchin monkeys have a strong history of using stone tools, this behavior has been observed by humans for at least 700 years. It takes monkeys 3-5 years to become proficient
